Enabling troubleshooting of subroutines with greatest execution

Details Enabling troubleshooting of subroutines with greatest execution Enabling troubleshooting of subroutines with greatest execution

1997-10-21

2000-05-02

Downs, Robert W.

395709, 395708, 395707, 395705, G06F 944

Patent

active

060582650

ABSTRACT:
The method of the invention analyzes program components from a program to determine a set of subroutines whose execution time, for increasing input data set sizes, is predicted to increase at a rate that is more rapid than the rate exhibited by other subroutines in the program. The method of the invention includes the steps of: applying a plurality of different size data sets to the program; executing the program with each different size data set; determining execution times for each program component in the program for execution runs of the program; analyzing the execution times for each program component to determine a set of finite differences between execution times, during succeeding runs; and determining from sets of finite differences, which program components exhibit a largest growth in execution time, for increasing sizes of input data set size.

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